<?php
/**
 * 服务器信息的封装
 *
 * @since 1.0
 * @package if
 * @subpackage controller.context
 */
class IServer extends IObject {
	private static $instance;
	
	private function __construct() {
		
	}
	
	/**
	 * Enter description here...
	 *
	 * @return IServer
	 */
	static function singleton() {
		if (!self::$instance) {
			self::$instance = new self;
		}
		return self::$instance;
	}
}

?>